Composite oil for lubricating



UNITED STATES.

' PATENT Orrrcn GEORGE WV. BANKER, OF BROOKLYN, NEW YORK.

COMPOSITE OIL FOR LUBRICATING, 86C.

SPECIFICATION forming part of Letters f'atent NO. 294,752, dated March 11, 1884. Application filed July 31, 1883. (No specimensll To cbZZ whom it may concern.-

Be it known that I, GEO. W. BANKER, of Brooklyn, in the county of Kings and State 'of New York, have invented new and valuable Improvements in Composite Oils for Lubricating, 830., of which the following is a specification.

Since the introduction of petroleum and its products for lubricants and other purposes, attempts have been made to combine such oils with castor-oil, (which for slow-running and heavy machinery is considered superior to other oils;) but no satisfactory Way of combining mineral oils with castor-oil was discovcred until my composite oil was produced and patented March 21, 1882, N 0. 255,096. A

The object'of my invention is to produce a composite oil as a new article of commerce with which mineral oils will combinein vary ing proportions, so that the consumer, being 

